the age of social media and 10 is providing what he sees -- and technology is providing what he sees as an unprecedented opportunity. >> not just facebook in the heat of tahrir square, but the peaceful march across the world of mobile phones, across the parched land of the sahara and dense rainforest of the congo. technology is transforming things. >> reporter: mentioned one, his popular grassroots campaign committed to the fight against poverty and preventible diseases around the world. >> well, this generation has the chance to challenge the absurdity of where you live deciding whether you live. >> reporter: international politics major marybeth bronaham stepped up during a q and a session. her sister is working in rwanda with a little boy that has aids and she wanted to know what sort of future the child may have and received a candid answer. >> i would say the future for francois is in jeopardy. >> i'm sorry, i was a little bit taken a back that he said his future was uncertain. one thing he said that the power lies in the geek i think and so i think the power lies in university